Multi-layer insoles



FIG. 1 is a bottom view of the multi-layer insole showing my new design.

FIG. 2 is a top view thereof.

FIG. 3 is an enlarged perspective rear view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a perspective view thereof; and,

FIG. 7 is an exploded side view thereof. 

CLAIM I claim the ornamental design for a multi-layer insole, as shown and described. 